All the current uses. * local news and music * ground penetrating radar * radio astronomy (especially imporatn for exploring the early Universe) * walkie talkies * global communications when the satellites cannot be reached due to ionization of the atmosphere.
they are all rays
The individual photons in radio waves have way too little energy to eject electrons out of ANYTHING.
Not Really Broadcasting Republican Propaganda
no, mechanical waves are not radio waves
Radio telescopes use parabolic dishes to collect and focus radio waves from space. The dish reflects the radio waves to a receiver, which then converts the waves into electronic signals that can be processed and analyzed.
Radio waves ARE electromagnetic waves.
Transverse. Radio waves are electromagnetic waves, which are transverse.
No. Radar waves are one category of radio waves. Think of all the radio waves that are all around you right now . . . AM radio, FM radio, police and fire radio, highway patrol radio, taxi radio, television picture and sound radio waves, cellphone radio waves, garage-door-opener radio waves, bluetooth radio waves, WiFi waves, microwaves ... and you can't see any of them ! Radar waves can easily be there in the group.
The longest ones that we have a name for are the ones we call "radio waves". There are a lot of electromagnetic waves longer than that, which we don't even have a name for ... probably because we don't use them for anything much.
Radio waves are electromagnetic waves occurring on the radio frequency portion of the electromagnetic spectrum.
by changing the amplitude or frequency of the radio waves.
Yes. Radio waves are electromagnetic and are affected by anything that conducts electricity. The human body is mostly made of water, which conducts electricity and therefore affects radio waves. To demonstrate the effect, see what happens when you move around a radio tuned to a station with relatively poor reception.